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The Study

Triceps brachii hypertrophy is substantially greater after elbow extension training performed in the overhead versus neutral arm position

In simple terms

This study is like a fair test where people used one arm for overhead lifts and the other for regular lifts, then measured which arm got bigger. It shows that overhead lifts probably made the muscles grow more, but we can't say for sure it's because of the position — maybe people tried harder with one arm.

54%

Analysis score

54/ 90

Maximum 90 for a randomized controlled trial.

Where the score came from

Reporting0
Methodology59
Publication100
Statistical54
Study type (basis of the score)
Randomized Controlled Trial
Level 1b - Individual RCT
What’s the bottom line?

When you lift weights with your arm stretched overhead, your triceps muscle gets stretched more — and that stretch makes it grow bigger, even if you're lifting less weight.

Where does this study sit?

Reviews of RCTs (Meta-analyses)

Max 100

Randomized Trials

Max 90

Reviews of Cohort Studies

Max 85

Cohort Studies

Max 72

Reviews of Case-Control Studies

Max 63

Case-Control Studies

Max 58

Cross-Sectional & Case Series

Max 50

Expert Opinion

Max 5
StrongerWeaker
Randomized Trials
Level 1b
54

54 / 100

Quality score

Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.

Can establish causation

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Key takeaways

Summary

Based on the study abstract and findings.

  1. 1Yes — you can build bigger triceps by using lighter weights if you train with your arm stretched overhead, which is easier on joints and still highly effective.
  2. 2Overhead training made the long head of the triceps grow 28.5% vs.
  3. 319.6% with neutral training, and total triceps volume grew 19.9% vs.
  4. 413.9%, even though people lifted 34–39% less weight overhead.

Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data

Publication

Journal

European Journal of Sport Science

Year

2022

Authors

S. Maeo, Yuhang Wu, Meng Huang, Hikaru Sakurai, Yuki Kusagawa, Takashi Sugiyama, H. Kanehisa, T. Isaka

Open Access
34 citations
Analysis v5

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